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Internal Frame Backpacks

(294 products)
Products (294)
Remove frame-type filter:Internal Frame
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    OspreySirrus 24 Pack - Women's
    $134.73
    Save 25%
    compared to  $180.00
    2 reviews with an average rating of 5.0 out of 5 stars
    Gear Capacity:
    24 liters
    Weight:
    2.56 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    Top Rated
    OspreyKestrel 38 Pack - Men's
    $156.73
    Save 25%
    compared to  $210.00
    20 reviews with an average rating of 4.9 out of 5 stars
    Gear Capacity:
    36 to 38 liters
    Weight:
    4.07 to 4.24 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    Top Rated
    OspreyStratos 24 Pack - Men's
    $134.73
    Save 25%
    compared to  $180.00
    8 reviews with an average rating of 4.9 out of 5 stars
    Gear Capacity:
    24 liters
    Weight:
    2.76 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    OspreySirrus 34 Pack - Women's
    $149.73
    Save 25%
    compared to  $200.00
    28 reviews with an average rating of 4.5 out of 5 stars
    Gear Capacity:
    34 liters
    Weight:
    3.04 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    REI Co-opTrail 25 Pack
    $99.95
    164 reviews with an average rating of 4.4 out of 5 stars
    Gear Capacity:
    25 liters
    Weight:
    1.81 to 1.87 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    Top Rated
    OspreyMira 32 Hydration Pack - Women's
    $164.73
    Save 25%
    compared to  $220.00
    30 reviews with an average rating of 4.8 out of 5 stars
    Gear Capacity:
    32 liters
    Liquid Capacity:
    2.5 liters
    Weight:
    3.39 lbs
    Features:
    Hipbelt Pockets
    Raincover Included
    REI OUTLET
    GregoryParagon 58 Pack - Closeout - Men's
    $167.73
    Save 40%
    compared to  $279.95
    4 reviews with an average rating of 4.3 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    55 to 58 liters
    Weight:
    3.5 to 3.56 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    GregoryParagon 68 Pack
    $158.73
    Save 47%
    compared to  $299.95
    0 reviews
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    68 liters
    Weight:
    3.57 to 3.62 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    GregoryMaven 55 Pack - Closeout - Women's
    $154.73
    Save 42%
    compared to  $269.95
    3 reviews with an average rating of 3.7 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    52 to 55 liters
    Weight:
    3.31 to 3.38 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    Top Rated
    Mountain HardwearJMT 35 L Pack
    $134.73
    Save 25%
    compared to  $180.00
    53 reviews with an average rating of 4.7 out of 5 stars
    Gear Capacity:
    35 liters
    Weight:
    2.59 to 2.6 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
    Top Rated
    REI Co-opTrail 40 Pack - Women's
    $159.00
    29 reviews with an average rating of 4.6 out of 5 stars
    Gear Capacity:
    40 to 41 liters
    Weight:
    2.56 to 2.87 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI Co-opTrailmade 60 Pack - Men's
    $106.83
    Save 40%
    compared to  $179.00
    11 reviews with an average rating of 4.2 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    60 liters
    Weight:
    3.69 lbs
    Features:
    Reservoir Compatible
    Top Rated
    GregoryMaven 45 Pack - Closeout - Women's
    $148.73
    Save 35% - 38%
    compared to  $229.95 - $239.95
    7 reviews with an average rating of 4.9 out of 5 stars
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    42 to 45 liters
    Weight:
    3.25 to 3.31 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    OspreyStratos 36 Pack - Men's
    $164.73
    Save 25%
    compared to  $220.00
    13 reviews with an average rating of 3.5 out of 5 stars
    Gear Capacity:
    36 liters
    Weight:
    3.28 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    OspreyTempest 20 Pack - Women's
    $102.73
    Save 35%
    compared to  $160.00
    160 reviews with an average rating of 4.1 out of 5 stars
    Gear Capacity:
    18 to 20 liters
    Weight:
    2.04 to 2.21 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
    REI Co-opTrail 40 Pack - Men's
    $159.00
    49 reviews with an average rating of 4.4 out of 5 stars
    Gear Capacity:
    40 to 41 liters
    Weight:
    2.75 to 3 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI Co-opTrailmade 60 Pack - Women's
    $106.83
    Save 40%
    compared to  $179.00
    6 reviews with an average rating of 4.3 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    60 liters
    Weight:
    3.62 lbs
    Features:
    Reservoir Compatible
    OspreySirrus 36 Pack - Women's
    $164.73
    Save 25%
    compared to  $220.00
    16 reviews with an average rating of 4.0 out of 5 stars
    Gear Capacity:
    36 liters
    Weight:
    3.15 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    Top Rated
    GregoryCitro 24 Pack - Men's
    $111.73
    Save 25%
    compared to  $149.95
    45 reviews with an average rating of 4.7 out of 5 stars
    Gear Capacity:
    24 liters
    Weight:
    2.02 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
    GregoryMaven 65 Pack - Closeout - Women's
    $166.73
    Save 44%
    compared to  $299.95
    2 reviews with an average rating of 4.5 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    62 to 65 liters
    Weight:
    3.44 to 3.5 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
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    Terms apply
    GregoryParagon 48 Pack - Men's
    $179.73
    Save 21% - 25%
    compared to  $229.95 - $239.95
    3 reviews with an average rating of 5.0 out of 5 stars
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    48 liters
    Weight:
    3.5 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    Top Rated
    GregoryArrio 18 Pack
    $57.73
    Save 35%
    compared to  $89.95
    12 reviews with an average rating of 4.6 out of 5 stars
    Gear Capacity:
    18 liters
    Weight:
    1.39 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
    Top Rated
    OspreyTalon 22 Pack - Men's
    $175.00
    59 reviews with an average rating of 4.6 out of 5 stars
    Gear Capacity:
    22 liters
    Weight:
    2.38 to 2.98 lbs
    Features:
    Reservoir Compatible
    ALPS MountaineeringBaja 40 Pack
    $119.73
    Save 25%
    compared to  $159.99
    1 reviews with an average rating of 1.0 out of 5 stars
    Gear Capacity:
    40 liters
    Weight:
    2.38 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    GregoryJuno 24 Pack - Women's
    $96.73
    Save 35%
    compared to  $149.95
    7 reviews with an average rating of 3.9 out of 5 stars
    Gear Capacity:
    24 liters
    Weight:
    1.93 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
    Top Rated
    OspreyTempest 22 Pack - Women's
    $175.00
    45 reviews with an average rating of 4.7 out of 5 stars
    Gear Capacity:
    22 liters
    Weight:
    2.38 to 2.98 lbs
    Features:
    Reservoir Compatible
    Mountain HardwearJMT 35 L Pack - Women's
    $134.73
    Save 25%
    compared to  $180.00
    9 reviews with an average rating of 4.0 out of 5 stars
    Gear Capacity:
    35 liters
    Weight:
    2.58 to 2.59 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
    OspreyDownburst 34 Pack
    $239.73
    Save 25%
    compared to  $320.00
    3 reviews with an average rating of 4.7 out of 5 stars
    Gear Capacity:
    34 liters
    Weight:
    3.27 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
    REI Co-opFlash 55 Pack - Men's
    $229.00
    87 reviews with an average rating of 4.2 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    53 to 57 liters
    Weight:
    2.75 to 2.87 lbs
    Features:
    Ultralight
    Reservoir Compatible
    Arc'teryxMantis 26 L Pack
    $119.73
    Save 25%
    compared to  $160.00
    20 reviews with an average rating of 4.0 out of 5 stars
    Gear Capacity:
    26 liters
    Weight:
    1.85 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
1–30 of 294 products
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